Thirty percent of the members of a swim club have passed the life saving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not taken the course.How many members are there in the swim club?

60

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80

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100

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120

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140

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Solution

The correct option is A $60$
In total there are 42 people who have not passed the life saving test.

Also $70 %$ members have not passed the test

Let no. of members be x.

$70 %$ of $x = 42 \Rightarrow x = 60$

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Similar questions

Statements: Only those who have a pair of binoculars become the members of the birdwatcher's club. Some members of the birdwatcher's club have cameras. Those members who have cameras can take part photo contests.

Conclusions:
I. All those who have a pair of binoculars are members of the birdwatcher's club.
II. All members of the birdwatcher's club have a pair of binoculars.
III. All those who take part in photo-contests are members of the birdwatcher's club.

Statements:

I. Only those who have a pair of binoculars become the members of the birdwatcher`s club.

II. Some members of the birdwatcher`s club have participate cameras.

III. Those members who have cameras cannot photo contests.

Conclusions:

I. All those who have a pair of binoculars are members of the birdwatcher`s club.

II. All members of the birdwatcher`s club have a pair of binoculars.

III. All those who take part in photo-contests are members of the birdwatcher`s club.

Q. Is the number of members of Club X greater than the number of members of Club Y?
(1) Of the members of Club X, 20 percent are also members of Club Y.
(2) Of the members of Club Y, 30 percent are also members of Club X.

Q. Every member of a certain club volunteers to contribute equally to the purchase of a

60 g i f t c e r t i f i c a t e . H o w m a n y m e m b e r s d o e s t h e c l u b h a v e ? (1) E a c h m e m b e r^{'} s c o n t r i b u t i o n i s t o b e

4.
(2) If 5 club members fail to contribute, the share of each contributing member will increase by $2.

Q. A club collected exactly

599 f r o m i t s m e m b e r s . I f e a c h m e m b e r c o n t r i b u t e d a t l e a s t

12, what is the greatest number of members the club could have?

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Thirty percent of the members of a swim club have passed the life saving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not taken the course.How many members are there in the swim club?

The correct option is A 60In total there are 42 people who have not passed the life saving test.Also 70% members have not passed the testLet no. of members be x.70% of x=42⇒x=60

The correct option is A $60$
In total there are 42 people who have not passed the life saving test.

Also $70 %$ members have not passed the test

Let no. of members be x.

$70 %$ of $x = 42 \Rightarrow x = 60$